Tiramisu with Surprise

Method

1. Whip the already sweetened cream with electric beaters.
2. Add mascarpone and mashed banana, mix well.
3. Transfer the cream into a piping bag.
4. Quickly dip ladyfingers in coffee (espresso).
5. Arrange a layer of dipped ladyfingers on the bottom of a dish.
6. Cover with a layer of cream.
7. Add another layer of dipped ladyfingers.
8. Spread more cream, and place half a banana in the center.
9. Pour a generous amount of Nutella over the banana.
10. Cover with a final layer of dipped ladyfingers.
11. Decorate with dollops of remaining cream.
12. Dust with bitter cocoa powder.